In general a chart is a graphic representation of data. Charts allow users to see what the results of data to better understand and predict current and future data. In the picture below, is an example picture of a column chart of unique visitors Computer Hope has received between the years of 2000 and 2006. As can be seen in this example, you can immediately see a gentle increase of users without reading any data.
Types of charts
There are a wide variety of charts available to display data, below are the most popular types of charts supported in most programs.
Embedded chart vs. Chart sheet
In Microsoft Excel and other spreadsheets there are two types of charts an embedded chart and chart sheet. An embedded chart is a chart object that can be inserted into a worksheet. A chart sheet is a chart that is a sheet of its own. To insert an embedded chart use the Insert option within Excel or the spreadsheet program you are using. To insert a chart sheet right-click on the worksheet tabs at the bottom of the worksheet and click Insert and then Chart.